<template>
  <div>

    <div class="card" style="margin-bottom: 10px; background-color: bisque">
      <el-input style="width: 300px;margin-right: 10px" v-model="data.name" placeholder="请输入课程名称查询" :prefix-icon="Search"/>
      <el-input style="width: 300px;margin-right: 10px" v-model="data.no" placeholder="请输入课程编号查询" :prefix-icon="Search"/>
      <el-input style="width: 300px" v-model="data.teacher" placeholder="请输入任课老师查询" :prefix-icon="Search"/>
      <el-button type="primary" style="margin-left: 10px" @click="load">查询</el-button>
      <el-button type="info" @click="reset">重置</el-button>
    </div>

    <div class="card" style="margin-bottom: 10px;background-color: bisque">
      <el-table stripe :data="data.tableData" :cell-style="cellStyle">
        <el-table-column label="序号" prop="id"></el-table-column>
        <el-table-column label="课程名称" prop="name"></el-table-column>
        <el-table-column label="课程编号" prop="no"></el-table-column>
        <el-table-column label="课程描述" prop="descr"></el-table-column>
        <el-table-column label="课时" prop="times"></el-table-column>
        <el-table-column label="任课老师" prop="teacher"></el-table-column>
        <el-table-column label="操作" align="center" width="180">
          <template #default="scope">
            <el-button type="primary" plain @click="selectCourse(scope.row)">选课</el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>

    <!--    分页-->
    <div class="card" style="background-color: bisque">
      <el-pagination v-model:current-page="data.pageNum" v-model:page-size="data.pageSize"
                     @current-change="handelCurrentChange"
                     background layout="prev, pager, next" :total="data.total" />
    </div>


  </div>
</template>

<script setup>
import request from "@/utils/request";
import {reactive} from "vue";
import {Search} from "@element-plus/icons-vue";
import {ElMessage, ElMessageBox} from "element-plus";

// request.get('/').then(res => {
//   console.log(res)
// })

const data = reactive({
  name:'',
  no:'',
  teacher:'',
  pageNum: 1,
  pageSize:5,
  tableData: [],
  total: 0,
  student:JSON.parse(localStorage.getItem('student-user')||'{}')
})
const load = () =>{
  request.get('/course/selectPage',
      {
        params: {
          pageNum: data.pageNum,
          pageSize: data.pageSize,
          name:data.name,
          no:data.no,
          teacher:data.teacher
        }
      }).then(res=>{
    //console.log(res)
    data.tableData=res.data?.list || []
    data.total=res.data?.total || 0
  })
}
//调用后台数据
load()
const handelCurrentChange = () => {
  // 当翻页的时候重新加载数据即可
  load()
}
const reset =() => {
  data.name = ''
  data.no = ''
  data.techer = ''
  load()
}
const selectCourse =(row) => {
  request.post('/studentCourse/add',{studentId: data.student.id, name: row.name,  no: row.no, courseId: row.id}).then(res => {
    if(res.code === '200') {
      ElMessage.success("操作成功")
    } else {
      ElMessage.error(res.msg)
    }
  })
}
const cellStyle = () => {
  return { backgroundColor: "bisque", color: "#333333" };
};
</script>